400 Bad Request

The server could not comply with the request since it is either malformed or otherwise incorrect.

Cannot decode URL parameter keywords: ['aktivitat%3APfadfinder%2Baktivitat%3ARettungsdienst%2Baktivitat%3AViehz%C3%BCchtung%2Baktivitat%3ABadminton%2Baktivitat%3APolitische Partei%2Baktivitat%3ATischtennis%2Bart%3AWirtschaft%2Bart%3AKultur']